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- Geologic factors causing roof instability and methane emission problems :the Lower Kittanning coalbed, Cambria County, Pa.
- The direct method of determining methane content of coalbeds for ventilation design
- Cleat in bituminous coalbeds
- Selected geologic factors affecting mining of the Pittsburgh coalbed
- Measuring the methane content of bituminous coalbeds
- Geologic investigations of underground coal mining problems
- Use of surface joint and photolinear data for predicting subsurface coal cleat orientation
- Determining cleat orientation of deeper coalbeds from overlying coals
- Applying computer-drawn maps of geologic data to analysis of mining problems
- Geological factors affecting methane in the Beckley coalbed
- Methods of determining the orientations of bedrock fracture systems in southwestern Pennsylvania and northern West Virginia